package common.utils;

/**
 * 定义链表的节点
 */
public class ListNode {
    public int val;
    public ListNode next = null;
    public ListNode(int val){
        this.val = val;
    }


    @Override
    public String toString() {
        return "ListNode{" +
                "val=" + val +
                ", next=" + next +
                '}';
    }
}
